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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<h4><a name = "tag_000_009_075">&nbsp;</a>NAME</h4><blockquote>
strdup - duplicate a string
</blockquote><h4><a name = "tag_000_009_076">&nbsp;</a>SYNOPSIS</h4><blockquote>
<pre><code>

#include &lt;<a href="string.h.html">string.h</a>&gt;

char *strdup(const char *<i>s1</i>);
</code>
</pre>
</blockquote><h4><a name = "tag_000_009_077">&nbsp;</a>DESCRIPTION</h4><blockquote>
The
<i>strdup()</i>
function returns a pointer to a new string, which is a duplicate of the string
pointed to by <i>s1</i>.  The returned pointer can be passed to
<i><a href="free.html">free()</a></i>.
A null pointer is returned if the new string cannot be created.
</blockquote><h4><a name = "tag_000_009_078">&nbsp;</a>RETURN VALUE</h4><blockquote>
The
<i>strdup()</i>
function returns a pointer to a new string on success.  Otherwise it returns a
null pointer and sets <i>errno</i> to indicate the error.
</blockquote><h4><a name = "tag_000_009_079">&nbsp;</a>ERRORS</h4><blockquote>
The
<i>strdup()</i>
function may fail if:
<dl compact>

<dt>[ENOMEM]<dd>
Storage space available is insufficient.

</dl>
</blockquote><h4><a name = "tag_000_009_080">&nbsp;</a>EXAMPLES</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_009_081">&nbsp;</a>APPLICATION USAGE</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_009_082">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_009_083">&nbsp;</a>SEE ALSO</h4><blockquote>
<i><a href="malloc.html">malloc()</a></i>,
<i><a href="free.html">free()</a></i>,
<i><a href="string.h.html">&lt;string.h&gt;</a></i>.
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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